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Date: Wed, 10 Nov 2004 18:54:28 +0000
From: Peter Edwards <peadar.edwards@gmail.com>
To: Matteo Riondato <rionda@gufi.org>,
	Doug White <dwhite@gumbysoft.com>
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cc: freebsd-current@freebsd.org
Subject: Re: EHCI + umass + ntfs = panic
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On Wed, 10 Nov 2004 10:36:08 -0800 (PST), Doug White
<dwhite@gumbysoft.com> wrote:
> On Wed, 10 Nov 2004, Matteo Riondato wrote:
> 
> > mount -t ntfs -o ro /dev/da0s1 /mnt/usb/
> >
> > Suddendly, my machine panic'ed with:
> >
> > filesystem goof: vop_panic[vop_strategy]
> >
> > Is NTFS over umass storage supported? Or better, is umass over ehci
> > supported?
> 
> Filesystems are device-agnostic.  However is tpossible your EHCI
> controller is returning corrupted data.
> 
> Try removing ehci from your kernel and mounting the filesystem then. That
> uses the more reliable uhci or ohci driver, although not at hi-speed.

If its getting into vop_panic, it seems unlikley to be data
corruption. Matteo, can you post a stacktrace from the panic? dmesg?
When did you CVSup your source last? Are you sure the ntfs kld sources
match the kernel?